PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63X439Seal,plain Encased

Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc · NSN 5330-00-984-6752 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-984-6752 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-984-6752. Primary manufacturer part number: 63X439.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
  • Housing Bore Diameter: 2.250 INCHES NOMINAL IN
  • Color: BLACK
  • Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-984-6752, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-984-6752
Primary Part Number63X439
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
StatusCANCELLED
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Housing Bore Diameter2.250 INCHES NOMINAL IN
ColorBLACK
Maximum Pressure Rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
Sealing Element StyleANGULAR
Seal Width0.375 INCHES NOMINAL IN
Hardness Rating80.0 SHORE DUROMETER A NOMINAL OVERALL
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Temp Rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
Case StyleSQUARE
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2940-00-350-931642067 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5930-00-557-18117810259 INTERCHANGEABLE
Switch,pressure
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
3455-01-046-1474B94.19 TABLE 51 13/32 INTERCHANGEABLE
Cutter,milling,end
American National Standards Institute Incorporated Dba American National Standards Institute
5998-01-091-231742067 INTERCHANGEABLE
Extender Card,electronic Test
Raven Electronics Corp
2510-01-258-808642067 INTERCHANGEABLE
Plunger,door
Sullair Corp
5950-01-331-2835 INTERCHANGEABLE
Transformer,radio Frequency
6760-01-518-013942067 INTERCHANGEABLE
Stand,projector,photographic
Da-Lite Screen Company Inc.
Cross-Reference Index
Part NumberManufacturer
415103 Apv Gaulin Inc (USA)
K0S144 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
K0S144 Siemens Energy, Inc. Dba Dresser-Rand (USA)
32-00389-000 Robbins and Myers Inc (USA)
42067 Beardsley and Piper Div of Simpson Technologies Corp (USA)
K0S144 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
25N353PC60 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
1726X26 Fmc Technologies Inc Div Material Handling Solutions (USA)
21158-0439 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
63X439 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
Related Parts
2940-00-350-9316INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42067
5930-00-557-1811INTERCHANGEABLE
SWITCH,PRESSURE
7810259
3455-01-046-1474INTERCHANGEABLE
CUTTER,MILLING,END
B94.19 TABLE 51 13/32
5998-01-091-2317INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
42067
2510-01-258-8086INTERCHANGEABLE
PLUNGER,DOOR
42067
5950-01-331-2835INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6760-01-518-0139INTERCHANGEABLE
STAND,PROJECTOR,PHOTOGRAPHIC
42067

Frequently Asked Questions

What is NSN 5330-00-984-6752?

NSN 5330-00-984-6752 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-984-6752?

NSN 5330-00-984-6752 has 11 cross-referenced part numbers: 415103 (Apv Gaulin Inc), K0S144 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), K0S144 (Siemens Energy, Inc. Dba Dresser-Rand), 32-00389-000 (Robbins and Myers Inc), 42067 (Beardsley and Piper Div of Simpson Technologies Corp) and 6 more.

What NSN replaces 5330-00-984-6752?

There are 7 known substitutes for 5330-00-984-6752: 2940-00-350-9316, 5930-00-557-1811, 3455-01-046-1474 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 63X439?

Key specifications for 63X439: Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN; Housing Bore Diameter: 2.250 INCHES NOMINAL IN; Color: BLACK; Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-984-6752 still in active supply?

NSN 5330-00-984-6752 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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